ajax简单应用
//获取ajax的xmlHttpvar xmlHttp = false;
try {
xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e2) {
xmlHttp = false;
}
}
if (!xmlHttp && typeof XMLHttpRequest != 'undefined') {
xmlHttp = new XMLHttpRequest();
}
//ajax传参，在按钮事件中调用该方法
function changeurl(){
var bankname= document.getElementById("bankname").value;
var repaymount= document.getElementById("repaymount").value;
var url="cxfresponse.asp?bankname="+bankname+"&repaymount="+repaymount+"&m="+Math.random();
xmlHttp.open("GET",url,true);
xmlHttp.onreadystatechange=getresult;
xmlHttp.send(null);
}
//ajax接收数据
function getresult(){
if(xmlHttp.readyState == 4){
var responseword = xmlHttp.responseText;
var word=responseword.split("+");
document.getElementById("repaymount").value=word;
document.getElementById("cxf").value=word;
document.getElementById("str").innerHTML=word;
if(word==""){
document.getElementById("tishi").style.display="none";
}else{
document.getElementById("tishi").style.display="";
}
}
}
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